Based on data from 253 vehicles, 28,262 fuel-ups and 7,652,586 miles of driving, the 2018 Mazda 3 gets a combined Avg MPG of 29.96 with a 0.06 MPG margin of error.

Any Engine Type 2.0L L4 GAS (72) 2.5L L4 GAS (175) GAS (1) H4 GAS (1) L4 GAS (2) Any Body Style Sedan (34) Hatchback (74) Any Submodel SE (1) s Grand Touring (2) S (4) GX (4) I Touring (5) G (9) GT (10) GS (11) Sport (37) Grand Touring (76) Touring (92) Other (2)

Below you can see a distribution of the fuel-ups with 470 outliers (1.64%) removed.

Following shows the average MPG of each of the 253 vehicles in the system.

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• 2018 Mazda 3

  2018 Mazda 3 GS 2.0L L4 GAS Automatic 6 Speed
  Added May 2021 • 174 Fuel-ups

  Property of redheron1

• 40.8 Avg MPG

• Mazda 3

  2018 Mazda 3 Touring 2.5L L4 GAS Automatic 6 Speed
  Added May 2023 • 197 Fuel-ups

  Property of hurdle6639

• 28.4 Avg MPG

• Andria

  2018 Mazda 3 Touring 2.5L L4 GAS Automatic 6 Speed
  Added Mar 2021 • 225 Fuel-ups

  Property of elah33

• 28.2 Avg MPG

• My 3

  2018 Mazda 3 Touring 2.5L L4 GAS Automatic 6 Speed
  Added Jul 2018 • 450 Fuel-ups

  Property of gidgetgirl

• 26.8 Avg MPG

• Mazda3

  2018 Mazda 3 Grand Touring 2.5L L4 GAS Automatic 6 Speed
  Added Mar 2024 • 71 Fuel-ups

  Property of Ardiberen

• 27.2 Avg MPG

• 2018 Mazda3 [Rally Hatch]

  2018 Mazda 3 Grand Touring 2.5L L4 GAS Automatic 6 Speed
  Added Feb 2020 • 72 Fuel-ups

  Property of thresham

• 28.5 Avg MPG

• My 3

  2018 Mazda 3 Touring 2.0L L4 GAS Manual 6 Speed
  Added Dec 2018 • 363 Fuel-ups

  Property of jesykaness

• 27.2 Avg MPG

• Mazzie the Mazda

  2018 Mazda 3 Touring 2.5L L4 GAS Automatic 6 Speed
  Added Aug 2018 • 270 Fuel-ups

  Property of Buckeyenut55

• 29.0 Avg MPG

• Mazda 3

  2018 Mazda 3 Touring 2.0L L4 GAS Automatic 6 Speed
  Added Aug 2022 • 99 Fuel-ups

  Property of pizote155

• 28.3 Avg MPG

• Ed’s Mazda 3

  2018 Mazda 3 Grand Touring 2.5L L4 GAS Automatic 6 Speed
  Added Dec 2018 • 447 Fuel-ups

  Property of iyoulow

• 29.4 Avg MPG

• My 3

  2018 Mazda 3 Grand Touring 2.5L L4 GAS Automatic 6 Speed
  Added May 2018 • 198 Fuel-ups

  Property of anah0413

• 28.8 Avg MPG

• mazzie II

  2018 Mazda 3 Sport 2.0L L4 GAS Automatic 6 Speed
  Added Nov 2022 • 170 Fuel-ups

  Property of retardis

• 20.5 Avg MPG

• 2018 Mazda 3 - Machine Gray

  2018 Mazda 3 Touring 2.5L L4 GAS Manual 6 Speed Sedan
  Added Aug 2022 • 176 Fuel-ups

  Property of zerhusbt

• 35.1 Avg MPG

• 2018 Mazda 3

  2018 Mazda 3 Touring 2.5L L4 GAS Manual 6 Speed
  Added Mar 2018 • 217 Fuel-ups

  Property of OyamaVFR

• 26.4 Avg MPG

• Hatsune

  2018 Mazda 3 Touring 2.5L L4 GAS Manual 6 Speed Hatchback
  Added Jan 2019 • 263 Fuel-ups

  Property of NurseDiesel

• 33.4 Avg MPG

• Brown bae

  2018 Mazda 3 Grand Touring 2.5L L4 GAS Automatic 6 Speed
  Added Nov 2020 • 287 Fuel-ups

  Property of lc7926

• 28.6 Avg MPG

• My 3

  2018 Mazda 3 Touring 2.5L L4 GAS Manual 6 Speed
  Added Apr 2024 • 145 Fuel-ups

  Property of Ipownyu

• 29.2 Avg MPG

• 2018 Mazda3

  2018 Mazda 3 Grand Touring 2.5L L4 GAS Manual 6 Speed Hatchback
  Added Nov 2018 • 387 Fuel-ups

  Property of ajd326

• 30.2 Avg MPG

• Mazda3

  2018 Mazda 3 GT 2.5L L4 GAS Automatic 6 Speed Hatchback
  Added May 2018 • 141 Fuel-ups

  Property of vriou

• 34.4 Avg MPG

• Mazda3

  2018 Mazda 3 Touring 2.5L L4 GAS Standard 6 Speed
  Added Jun 2018 • 426 Fuel-ups

  Property of ZoomZoomPH

• 32.2 Avg MPG

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